Q: Is 2,121,513 a Prime Number?
A: No, 2,121,513 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 2121513 can be evenly divided by 1 3 647 1,093 1,941 3,279 707,171 and 2,121,513, with no remainder.
Since 2,121,513 cannot be divided by just 1 and 2,121,513, it is not a prime number.